M-BUP100XS Size: Extra Small (0.38" x 10"), Color: Blue Features: -Martingale collar.-Polyester material.-Will not fade even in outdoor or salt water use.-Perfect for control and training.-Machine washable.-Guaranteed against defects.-Made in the USA.-Extra small (0.38" x 10"): 0.38" W x 10" D, 0.5lbs.-Small (0.75" x 14"): 0.75" W x 14" D, 0.5lbs.-Medium (1" x 20"): 1" W x 20" D, 0.5lbs.-Large (1" x 26"): 1" W x 26" D, 0.5lbs. Color/Finish: -Our no-slip martingale collars are made in the U.S.A. of 100pct vibrant color-fast polyester with metal D-rings and a durable plastic slip lock..